"Forget AC Delco and Champion and even Bosch. These plugs are the absolute best on the market, whether for a vehicle, lawn mower, or 2-cycle trimmer. Always delivers a clean spark and lasts a long, long time."posted by: Pete on August 31, 2008view all 3 reviews

"This spark plug is the only plug my 2007 Charger 3.5 will accept. Tried other plugs, car misfired each time. Plugs that have to be "gap checked" do not fare well in the SXT model. These are less expnsive, but so what.. I change them every 25,000 miles anyway. It is a matter of preference, and I love preventative maintenance. Again.. you will do alright by these plugs."posted by: Commander on December 25, 2009view all 1 reviews